Importers of HS 8509.90 (housings) from Indonesia actually paid 14.2% on the taxed portion of the value in 2026-06 — 14.2% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.4%. Over the window the rate on the taxed portion moved 4.2% → 14.2%, with the largest single step +5.9pp in 2025-10. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.4% — importers actually paid 14.2%, so the trade-war overlay added 10.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8509.90", origin: "Indonesia") · see it at trimtabist.com/tariffs
HS 8509.90. The schedule base rate is 3.4%; importers from Indonesia actually paid 14.2% on the dutiable value in 2026-06 — the trade-war overlay added 10.8 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 4.2% (2023-07) → 14.2% (2026-06), largest single step +5.9pp in 2025-10.
Indonesia's lower duty (14.2% vs 34.42%) lets it price up to 17.7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $7.02/kg vs $90.75/kg (duty in, freight out).
2 Chapter-99 measures name Indonesia; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from Indonesia · the whole tariff ledger · reproduce: tariff_story(hs: "8509.90", origin: "Indonesia") via /connect. Not customs or legal advice.